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Nonassociated Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2008 2009 2010 2011 2012 2013 View
History
Proved Reserves as of Dec. 31
248 215 279 468 391 332 1981-2013
Adjustments
-3 -8 115 53 158 -57 1981-2013
Revision Increases
38 45 46 34 65 59 1981-2013
Revision Decreases
69 40 64 12 209 19 1981-2013
Sales
12 0 5 1 25 4 2000-2013
Acquisitions
5 0 23 144 0 0 2000-2013
Extensions
22 15 2 13 4 0 1981-2013
New Field Discoveries
0 0 0 0 0 17 1981-2013
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 1981-2013
Estimated Production
60 45 53 42 70 55 1981-2013
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Illinois, Indiana, Maryland, Missouri, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/4/2014
Next Release Date: 12/31/2015